Packing box



FIG. 1 is a top plan view of a packing box, showing our new design in a flat configuration;

FIG. 2 is a front perspective view of FIG. 1, illustrated in a closed configuration;

FIG. 3 is a rear perspective view of FIG. 1, illustrated in a closed configuration;

FIG. 4 is a front elevational view of FIG. 2;

FIG. 5 is a rear elevational view of FIG. 2;

FIG. 6 is a left side elevational view of FIG. 2;

FIG. 7 is a right side elevational view of FIG. 2;

FIG. 8 is a top plan view of FIG. 2; and,

FIG. 9 is a bottom plan view of FIG. 2.

The broken lines depict unclaimed portions of the packing box. None of the broken lines form a part of the claimed design. 

CLAIM The ornamental design for a packing box, as shown and described. 